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authorJason Gunthorpe <jgunthorpe@obsidianresearch.com>2014-02-12 15:57:07 -0700
committerBjorn Helgaas <bhelgaas@google.com>2014-02-18 13:33:56 -0700
commita723e7523c140423ddb450d2ba5c3ba44b003c69 (patch)
treee532439a77bc7bf45ba8f3b18810aa1e8d57bde3 /drivers/bus
parent4f4bde1df33bde076f53325bdf2c6430cf85e1bb (diff)
downloadop-kernel-dev-a723e7523c140423ddb450d2ba5c3ba44b003c69.zip
op-kernel-dev-a723e7523c140423ddb450d2ba5c3ba44b003c69.tar.gz
bus: mvebu-mbus: Fix incorrect size for PCI aperture resources
reg[0] is the DT base, reg[1] is the DT length in bytes, struct resource.end is the inclusive end address, so a -1 is required. Tested on kirkwood. Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Jason Cooper <jason@lakedaemon.net> Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/bus')
-rw-r--r--drivers/bus/mvebu-mbus.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 725c461..2ac754e 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -870,14 +870,14 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np,
ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg));
if (!ret) {
mem->start = reg[0];
- mem->end = mem->start + reg[1];
+ mem->end = mem->start + reg[1] - 1;
mem->flags = IORESOURCE_MEM;
}
ret = of_property_read_u32_array(np, "pcie-io-aperture", reg, ARRAY_SIZE(reg));
if (!ret) {
io->start = reg[0];
- io->end = io->start + reg[1];
+ io->end = io->start + reg[1] - 1;
io->flags = IORESOURCE_IO;
}
}
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